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Culbertson
System devised by Ely Culbertson and set out in the 1933 Blue Book
and 1936 Gold Book.
The main features of the system are:
- Valuation by honour tricks;
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- standards for biddable suits;
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- Forcing Two Bids;
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- Forcing Takeout (or jump shift);
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- Strong NT;
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- Jump rebids are not forcing unless in a new suit;
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- Asking Bids.
For more information...
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